:root {
  --bg: #050713;
  --card: #0d1224;
  --card-alt: #0f1a35;
  --text: #f5f7ff;
  --muted: #b8c3e8;
  --primary: #3c7bfd;
  --accent: #5de0ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 40px rgba(10, 12, 30, 0.45);
  font-size: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1200px, 90%);
  margin: 0 auto;
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.2;
}

p {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  color: #010210;
  transition: transform 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--border);
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  font-weight: 600;
}

.link {
  color: var(--accent);
  font-weight: 500;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(5, 7, 19, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
}

.nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
}

.hero {
  padding: clamp(4rem, 10vw, 8rem) 0;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin: 1rem 0;
}

.lead {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.hero-card .card-title {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-card .card-metric {
  margin: 1.5rem 0;
}

.hero-card .card-metric span {
  display: block;
  font-size: 2.5rem;
  font-weight: 600;
}

.hero-card .card-list {
  display: grid;
  gap: 1rem;
}

.hero-card .card-list div {
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.8rem;
  min-height: 220px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

.networking {
  background: radial-gradient(circle at top, rgba(60, 123, 253, 0.12), transparent 55%);
}

.networking-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.feature-list {
  list-style: none;
  margin-top: 1.5rem;
  display: grid;
  gap: 0.8rem;
}

.feature-list li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 0.6rem;
}

.stat-panel {
  background: var(--card-alt);
  border-radius: 24px;
  padding: 2rem;
  display: grid;
  gap: 1.5rem;
  border: 1px solid var(--border);
}

.stat-panel div span {
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
}

.spectrum {
  background: linear-gradient(160deg, rgba(5, 7, 19, 0.95), rgba(4, 17, 40, 0.95));
}

.spectrum-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.timeline {
  display: grid;
  gap: 1.5rem;
}

.timeline-item {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
}

.about-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.mini-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.mini-cards div {
  background: var(--card);
  padding: 1.5rem;
  border-radius: 18px;
  text-align: center;
  border: 1px solid var(--border);
}

.quote {
  background: var(--card);
  border-radius: 18px;
  padding: 2rem;
  border: 1px solid var(--border);
}

.cta {
  background: linear-gradient(120deg, #0f1a35, #11214a);
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .nav ul {
    position: absolute;
    top: 72px;
    right: 5%;
    background: rgba(6, 8, 23, 0.96);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.5rem;
    flex-direction: column;
    gap: 1rem;
    width: min(280px, 80vw);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .nav ul.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 3rem 0 2rem;
  }

  .hero-grid {
    gap: 1.5rem;
  }

  .hero-card {
    padding: 1.5rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .cta-actions {
    width: 100%;
  }

  .mini-cards {
    gap: 0.9rem;
  }

  .quote {
    padding: 1.5rem;
  }

  .stat-panel {
    padding: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}